diff --git a/make/Makefile b/make/Makefile
index d9f690aca3f88bd4fe1e55865d58a3a45002b466..7b3c63bdc7b09d200eb31fccd46330e7c0ae679e 100644
--- a/make/Makefile
+++ b/make/Makefile
@@ -271,23 +271,25 @@ KERNEL_DIR=$(KERNEL_BASE_DIR)/$(VM_SUBDIR)
 ZERO_DIR=$(ZERO_BASE_DIR)/$(VM_SUBDIR)
 SHARK_DIR=$(SHARK_BASE_DIR)/$(VM_SUBDIR)
 
-# Misc files and generated files need to come from C1 or C2 area
-ifeq ($(ZERO_BUILD), true)
-ifeq ($(SHARK_BUILD), true)
-  MISC_DIR=$(SHARK_DIR)
-  GEN_DIR=$(SHARK_BASE_DIR)/generated
-else
-  MISC_DIR=$(ZERO_DIR)
-  GEN_DIR=$(ZERO_BASE_DIR)/generated
+ifeq ($(JVM_VARIANT_SERVER), true)
+    MISC_DIR=$(C2_DIR)
+    GEN_DIR=$(C2_BASE_DIR)/generated
 endif
-else
-ifeq ($(ARCH_DATA_MODEL), 32)
-  MISC_DIR=$(C1_DIR)
-  GEN_DIR=$(C1_BASE_DIR)/generated
-else
-  MISC_DIR=$(C2_DIR)
-  GEN_DIR=$(C2_BASE_DIR)/generated
+ifeq ($(JVM_VARIANT_CLIENT), true)
+    MISC_DIR=$(C1_DIR)
+    GEN_DIR=$(C1_BASE_DIR)/generated
+endif
+ifeq ($(JVM_VARIANT_KERNEL), true)
+    MISC_DIR=$(C2_DIR)
+    GEN_DIR=$(C2_BASE_DIR)/generated
 endif
+ifeq ($(JVM_VARIANT_ZEROSHARK), true)
+    MISC_DIR=$(SHARK_DIR)
+    GEN_DIR=$(SHARK_BASE_DIR)/generated
+endif
+ifeq ($(JVM_VARIANT_ZERO), true)
+    MISC_DIR=$(ZERO_DIR)
+    GEN_DIR=$(ZERO_BASE_DIR)/generated
 endif
 
 # Bin files (windows)
@@ -332,46 +334,46 @@ endif
 
 # Shared Library
 ifneq ($(OSNAME),windows)
-  ifeq ($(ZERO_BUILD), true)
-    ifeq ($(SHARK_BUILD), true)
-$(EXPORT_JRE_LIB_ARCH_DIR)/%.$(LIBRARY_SUFFIX): $(SHARK_DIR)/%.$(LIBRARY_SUFFIX)
-	$(install-file)
-$(EXPORT_SERVER_DIR)/%.$(LIBRARY_SUFFIX):       $(SHARK_DIR)/%.$(LIBRARY_SUFFIX)
-	$(install-file)
-    else
-$(EXPORT_JRE_LIB_ARCH_DIR)/%.$(LIBRARY_SUFFIX): $(ZERO_DIR)/%.$(LIBRARY_SUFFIX)
-	$(install-file)
-$(EXPORT_SERVER_DIR)/%.$(LIBRARY_SUFFIX):       $(ZERO_DIR)/%.$(LIBRARY_SUFFIX)
-	$(install-file)
+    ifeq ($(JVM_VARIANT_SERVER), true)
+        $(EXPORT_JRE_LIB_ARCH_DIR)/%.$(LIBRARY_SUFFIX): $(C2_DIR)/%.$(LIBRARY_SUFFIX)
+		$(install-file)
+        $(EXPORT_SERVER_DIR)/%.$(LIBRARY_SUFFIX):       $(C2_DIR)/%.$(LIBRARY_SUFFIX)
+		$(install-file)
+        $(EXPORT_SERVER_DIR)/64/%.$(LIBRARY_SUFFIX):    $(C2_DIR)/%.$(LIBRARY_SUFFIX)
+		$(install-file)
+        $(EXPORT_JRE_LIB_ARCH_DIR)/%.debuginfo: 		$(C2_DIR)/%.debuginfo
+		$(install-file)
+        $(EXPORT_SERVER_DIR)/%.debuginfo:       		$(C2_DIR)/%.debuginfo
+		$(install-file)
+        $(EXPORT_SERVER_DIR)/64/%.debuginfo:    		$(C2_DIR)/%.debuginfo
+		$(install-file)
+    endif
+    ifeq ($(JVM_VARIANT_CLIENT), true)
+        $(EXPORT_JRE_LIB_ARCH_DIR)/%.$(LIBRARY_SUFFIX): $(C1_DIR)/%.$(LIBRARY_SUFFIX)
+		$(install-file)
+        $(EXPORT_CLIENT_DIR)/%.$(LIBRARY_SUFFIX):       $(C1_DIR)/%.$(LIBRARY_SUFFIX)
+		$(install-file)
+        $(EXPORT_CLIENT_DIR)/64/%.$(LIBRARY_SUFFIX):    $(C1_DIR)/%.$(LIBRARY_SUFFIX)
+		$(install-file)
+        $(EXPORT_JRE_LIB_ARCH_DIR)/%.debuginfo: 		$(C1_DIR)/%.debuginfo
+		$(install-file)
+        $(EXPORT_CLIENT_DIR)/%.debuginfo:       		$(C1_DIR)/%.debuginfo
+		$(install-file)
+        $(EXPORT_CLIENT_DIR)/64/%.debuginfo:    		$(C1_DIR)/%.debuginfo
+		$(install-file)
+    endif
+    ifeq ($(JVM_VARIANT_ZEROSHARK), true)
+        $(EXPORT_JRE_LIB_ARCH_DIR)/%.$(LIBRARY_SUFFIX): $(SHARK_DIR)/%.$(LIBRARY_SUFFIX)
+		$(install-file)
+        $(EXPORT_SERVER_DIR)/%.$(LIBRARY_SUFFIX):       $(SHARK_DIR)/%.$(LIBRARY_SUFFIX)
+		$(install-file)
+    endif
+    ifeq ($(JVM_VARIANT_ZERO), true)
+        $(EXPORT_JRE_LIB_ARCH_DIR)/%.$(LIBRARY_SUFFIX): $(ZERO_DIR)/%.$(LIBRARY_SUFFIX)
+		$(install-file)
+        $(EXPORT_SERVER_DIR)/%.$(LIBRARY_SUFFIX):       $(ZERO_DIR)/%.$(LIBRARY_SUFFIX)
+		$(install-file)
     endif
-  else
-$(EXPORT_JRE_LIB_ARCH_DIR)/%.$(LIBRARY_SUFFIX): $(C1_DIR)/%.$(LIBRARY_SUFFIX)
-	$(install-file)
-$(EXPORT_JRE_LIB_ARCH_DIR)/%.$(LIBRARY_SUFFIX): $(C2_DIR)/%.$(LIBRARY_SUFFIX)
-	$(install-file)
-$(EXPORT_CLIENT_DIR)/%.$(LIBRARY_SUFFIX):       $(C1_DIR)/%.$(LIBRARY_SUFFIX)
-	$(install-file)
-$(EXPORT_CLIENT_DIR)/64/%.$(LIBRARY_SUFFIX):    $(C1_DIR)/%.$(LIBRARY_SUFFIX)
-	$(install-file)
-$(EXPORT_SERVER_DIR)/%.$(LIBRARY_SUFFIX):       $(C2_DIR)/%.$(LIBRARY_SUFFIX)
-	$(install-file)
-$(EXPORT_SERVER_DIR)/64/%.$(LIBRARY_SUFFIX):    $(C2_DIR)/%.$(LIBRARY_SUFFIX)
-	$(install-file)
-
-# Debug info for shared library
-$(EXPORT_JRE_LIB_ARCH_DIR)/%.debuginfo: $(C1_DIR)/%.debuginfo
-	$(install-file)
-$(EXPORT_JRE_LIB_ARCH_DIR)/%.debuginfo: $(C2_DIR)/%.debuginfo
-	$(install-file)
-$(EXPORT_CLIENT_DIR)/%.debuginfo:       $(C1_DIR)/%.debuginfo
-	$(install-file)
-$(EXPORT_CLIENT_DIR)/64/%.debuginfo:    $(C1_DIR)/%.debuginfo
-	$(install-file)
-$(EXPORT_SERVER_DIR)/%.debuginfo:       $(C2_DIR)/%.debuginfo
-	$(install-file)
-$(EXPORT_SERVER_DIR)/64/%.debuginfo:    $(C2_DIR)/%.debuginfo
-	$(install-file)
-  endif
 endif
 
 # Jar file (sa-jdi.jar)
@@ -450,18 +452,19 @@ $(JDK_IMAGE_DIR)/jre/lib/rt.jar:
 	 ($(CD) $(JDK_IMAGE_DIR) && $(TAR) -xf -)
 
 test_jdk:
-    ifeq ($(ARCH_DATA_MODEL), 32)
-      ifneq ($(ZERO_BUILD), true)
-	$(JDK_IMAGE_DIR)/bin/java -d32 -client -Xinternalversion
-	$(JDK_IMAGE_DIR)/bin/java -d32 -client -version
-      endif
-	$(JDK_IMAGE_DIR)/bin/java -d32 -server -Xinternalversion
-	$(JDK_IMAGE_DIR)/bin/java -d32 -server -version
-    endif
-    ifeq ($(ARCH_DATA_MODEL), 64)
-	$(JDK_IMAGE_DIR)/bin/java -d64 -server -Xinternalversion
-	$(JDK_IMAGE_DIR)/bin/java -d64 -server -version
-    endif
+  ifeq ($(JVM_VARIANT_CLIENT), true)
+	$(JDK_IMAGE_DIR)/bin/java -d$(ARCH_DATA_MODEL) -client -Xinternalversion
+	$(JDK_IMAGE_DIR)/bin/java -d$(ARCH_DATA_MODEL) -client -version
+  endif
+  ifeq ($(findstring true, $(JVM_VARIANT_SERVER)\
+		$(JVM_VARIANT_ZERO)$(JVM_VARIANT_ZEROSHARK)), true)
+	$(JDK_IMAGE_DIR)/bin/java -d$(ARCH_DATA_MODEL) -server -Xinternalversion
+	$(JDK_IMAGE_DIR)/bin/java -d$(ARCH_DATA_MODEL) -server -version
+  endif
+  ifeq ($(JVM_VARIANT_KERNEL), true)
+	$(JDK_IMAGE_DIR)/bin/java -d$(ARCH_DATA_MODEL) -kernel -Xinternalversion
+	$(JDK_IMAGE_DIR)/bin/java -d$(ARCH_DATA_MODEL) -kernel -version
+  endif
 
 copy_product_jdk::
 	$(RM) -r $(JDK_IMAGE_DIR)
diff --git a/make/bsd/Makefile b/make/bsd/Makefile
index 9660f4abcecc2e94d4dd8817b29be2336af3db03..518c54fd31bb2006964d95233d6e43bcff1907d3 100644
--- a/make/bsd/Makefile
+++ b/make/bsd/Makefile
@@ -188,7 +188,7 @@ VARIANTARCH = $(subst i386,i486,$(ZERO_LIBARCH))
 # in the build.sh script:
 TARGETS           = debug jvmg fastdebug optimized profiled product
 
-ifeq ($(ZERO_BUILD), true)
+ifeq ($(findstring true, $(JVM_VARIANT_ZERO) $(JVM_VARIANT_ZEROSHARK)), true)
   SUBDIR_DOCS     = $(OSNAME)_$(VARIANTARCH)_docs
 else
   SUBDIR_DOCS     = $(OSNAME)_$(BUILDARCH)_docs
diff --git a/make/bsd/makefiles/buildtree.make b/make/bsd/makefiles/buildtree.make
index ccc812775c1dc93333be1bcdf27f05867bd156ee..5d218ff48f96efa211e2fe958510d3c58e58d32c 100644
--- a/make/bsd/makefiles/buildtree.make
+++ b/make/bsd/makefiles/buildtree.make
@@ -69,7 +69,7 @@ QUIETLY$(MAKE_VERBOSE)	= @
 # For now, until the compiler is less wobbly:
 TESTFLAGS	= -Xbatch -showversion
 
-ifeq ($(ZERO_BUILD), true)
+ifeq ($(findstring true, $(JVM_VARIANT_ZERO) $(JVM_VARIANT_ZEROSHARK)), true)
   PLATFORM_FILE = $(shell dirname $(shell dirname $(shell pwd)))/platform_zero
 else
   ifdef USE_SUNCC
diff --git a/make/bsd/makefiles/defs.make b/make/bsd/makefiles/defs.make
index dcc7cfe6c5654228295f3527dd63e6b94cbd3bc9..1183981390f094e69b7e6e20a5fac4c475c359f9 100644
--- a/make/bsd/makefiles/defs.make
+++ b/make/bsd/makefiles/defs.make
@@ -38,7 +38,7 @@ else
 endif
 
 # zero
-ifeq ($(ZERO_BUILD), true)
+ifeq ($(findstring true, $(JVM_VARIANT_ZERO) $(JVM_VARIANT_ZEROSHARK)), true)
   ifeq ($(ARCH_DATA_MODEL), 64)
     MAKE_ARGS      += LP64=1
   endif
@@ -124,6 +124,18 @@ ifeq ($(ARCH), ppc)
   HS_ARCH          = ppc
 endif
 
+# On 32 bit bsd we build server and client, on 64 bit just server.
+ifeq ($(JVM_VARIANTS),)
+  ifeq ($(ARCH_DATA_MODEL), 32)
+    JVM_VARIANTS:=client,server
+    JVM_VARIANT_CLIENT:=true
+    JVM_VARIANT_SERVER:=true
+  else
+    JVM_VARIANTS:=server
+    JVM_VARIANT_SERVER:=true
+  endif
+endif
+
 JDK_INCLUDE_SUBDIR=bsd
 
 # Library suffix
@@ -146,16 +158,14 @@ EXPORT_CLIENT_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/client
 
 EXPORT_LIST += $(EXPORT_JRE_LIB_DIR)/wb.jar
 
-ifndef BUILD_CLIENT_ONLY
-EXPORT_LIST += $(EXPORT_SERVER_DIR)/Xusage.txt
-EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.$(LIBRARY_SUFFIX)
+ifeq ($(findstring true, $(JVM_VARIANT_SERVER) $(JVM_VARIANT_ZERO) $(JVM_VARIANT_ZEROSHARK)), true)
+  EXPORT_LIST += $(EXPORT_SERVER_DIR)/Xusage.txt
+  EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.$(LIBRARY_SUFFIX)
 endif
 
-ifneq ($(ZERO_BUILD), true)
-  ifeq ($(ARCH_DATA_MODEL), 32)
-    EXPORT_LIST += $(EXPORT_CLIENT_DIR)/Xusage.txt
-    EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm.$(LIBRARY_SUFFIX)
-  endif
+ifeq ($(JVM_VARIANT_CLIENT),true)
+  EXPORT_LIST += $(EXPORT_CLIENT_DIR)/Xusage.txt
+  EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm.$(LIBRARY_SUFFIX)
 endif
 
 # Serviceability Binaries
diff --git a/make/bsd/makefiles/gcc.make b/make/bsd/makefiles/gcc.make
index a73397bf0f77931d77500cb1e0e51133f3233315..938da94fe663df2ff920a524b6e7c56a636372d1 100644
--- a/make/bsd/makefiles/gcc.make
+++ b/make/bsd/makefiles/gcc.make
@@ -105,11 +105,12 @@ VM_PICFLAG/LIBJVM = $(PICFLAG)
 VM_PICFLAG/AOUT   =
 VM_PICFLAG        = $(VM_PICFLAG/$(LINK_INTO))
 
-ifeq ($(ZERO_BUILD), true)
-CFLAGS += $(LIBFFI_CFLAGS)
+ifeq ($(JVM_VARIANT_ZERO), true)
+  CFLAGS += $(LIBFFI_CFLAGS)
 endif
-ifeq ($(SHARK_BUILD), true)
-CFLAGS += $(LLVM_CFLAGS)
+ifeq ($(JVM_VARIANT_ZEROSHARK), true)
+  CFLAGS += $(LIBFFI_CFLAGS)
+  CFLAGS += $(LLVM_CFLAGS)
 endif
 CFLAGS += $(VM_PICFLAG)
 CFLAGS += -fno-rtti
diff --git a/make/bsd/makefiles/vm.make b/make/bsd/makefiles/vm.make
index 7c4964637de2775763e567ce38afd74c03e88dd3..f423408acd944f9ecd0aa54993fbba70ac1964ac 100644
--- a/make/bsd/makefiles/vm.make
+++ b/make/bsd/makefiles/vm.make
@@ -42,7 +42,7 @@ DEP_DIR       = $(GENERATED)/dependencies
 -include $(DEP_DIR)/*.d
 
 # read machine-specific adjustments (%%% should do this via buildtree.make?)
-ifeq ($(ZERO_BUILD), true)
+ifeq ($(findstring true, $(JVM_VARIANT_ZERO) $(JVM_VARIANT_ZEROSHARK)), true)
   include $(MAKEFILES_DIR)/zeroshark.make
 else
   include $(MAKEFILES_DIR)/$(BUILDARCH).make
@@ -271,12 +271,12 @@ else
 
   LIBS_VM                  += $(LIBS)
 endif
-ifeq ($(ZERO_BUILD), true)
+ifeq ($(JVM_VARIANT_ZERO), true)
   LIBS_VM += $(LIBFFI_LIBS)
 endif
-ifeq ($(SHARK_BUILD), true)
+ifeq ($(JVM_VARIANT_ZEROSHARK), true)
+  LIBS_VM   += $(LIBFFI_LIBS) $(LLVM_LIBS)
   LFLAGS_VM += $(LLVM_LDFLAGS)
-  LIBS_VM   += $(LLVM_LIBS)
 endif
 
 
diff --git a/make/defs.make b/make/defs.make
index ac7268a96c5ef670247242f22a42b419de1f8217..b632ded2e000597ee5119f7ae440f2e5c377b9e4 100644
--- a/make/defs.make
+++ b/make/defs.make
@@ -55,6 +55,27 @@ define prep-target
 @$(RM) $@
 endef
 
+# Default values for JVM_VARIANT* variables if configure hasn't set
+# it already.
+ifeq ($(JVM_VARIANTS),)
+  ifeq ($(ZERO_BUILD), true)
+    ifeq ($(SHARK_BUILD), true)
+      JVM_VARIANTS:=zeroshark
+      JVM_VARIANT_ZEROSHARK:=true
+    else
+      JVM_VARIANTS:=zero
+      JVM_VARIANT_ZERO:=true
+    endif
+  else
+    # A default is needed
+    ifeq ($(BUILD_CLIENT_ONLY), true)
+      JVM_VARIANTS:=client
+      JVM_VARIANT_CLIENT:=true
+    endif
+    # Further defaults are platform and arch specific
+  endif
+endif
+
 # Directory paths and user name
 # Unless GAMMADIR is set on the command line, search upward from
 # the current directory for a parent directory containing "src/share/vm".
diff --git a/make/linux/Makefile b/make/linux/Makefile
index 22dcd5369d2ff534286f23c2a89dea67f3893e7d..7aaa940a038da8cad9c04597b3eb6c13f7bbe2b4 100644
--- a/make/linux/Makefile
+++ b/make/linux/Makefile
@@ -188,7 +188,7 @@ VARIANTARCH = $(subst i386,i486,$(ZERO_LIBARCH))
 # in the build.sh script:
 TARGETS           = debug jvmg fastdebug optimized profiled product
 
-ifeq ($(ZERO_BUILD), true)
+ifeq ($(findstring true, $(JVM_VARIANT_ZERO) $(JVM_VARIANT_ZEROSHARK)), true)
   SUBDIR_DOCS     = $(OSNAME)_$(VARIANTARCH)_docs
 else
   SUBDIR_DOCS     = $(OSNAME)_$(BUILDARCH)_docs
diff --git a/make/linux/makefiles/buildtree.make b/make/linux/makefiles/buildtree.make
index 6af5490da7ee8f763007e02d01c775e11b27dc33..7d209f41a62b2aa4aa7b0af96858162244b64385 100644
--- a/make/linux/makefiles/buildtree.make
+++ b/make/linux/makefiles/buildtree.make
@@ -66,7 +66,7 @@ QUIETLY$(MAKE_VERBOSE)	= @
 # For now, until the compiler is less wobbly:
 TESTFLAGS	= -Xbatch -showversion
 
-ifeq ($(ZERO_BUILD), true)
+ifeq ($(findstring true, $(JVM_VARIANT_ZERO) $(JVM_VARIANT_ZEROSHARK)), true)
   PLATFORM_FILE = $(shell dirname $(shell dirname $(shell pwd)))/platform_zero
 else
   ifdef USE_SUNCC
diff --git a/make/linux/makefiles/defs.make b/make/linux/makefiles/defs.make
index ea3f8a6a06fc4d064d79f21d2c58ab01088f00d6..29341777ffb1ae8f5fdb8fd6715c250f08dc10b1 100644
--- a/make/linux/makefiles/defs.make
+++ b/make/linux/makefiles/defs.make
@@ -38,7 +38,7 @@ else
 endif
 
 # zero
-ifeq ($(ZERO_BUILD), true)
+ifeq ($(findstring true, $(JVM_VARIANT_ZERO) $(JVM_VARIANT_ZEROSHARK)), true)
   ifeq ($(ARCH_DATA_MODEL), 64)
     MAKE_ARGS      += LP64=1
   endif
@@ -114,6 +114,18 @@ ifeq ($(ARCH), ppc)
   HS_ARCH          = ppc
 endif
 
+# On 32 bit linux we build server and client, on 64 bit just server.
+ifeq ($(JVM_VARIANTS),)
+  ifeq ($(ARCH_DATA_MODEL), 32)
+    JVM_VARIANTS:=client,server
+    JVM_VARIANT_CLIENT:=true
+    JVM_VARIANT_SERVER:=true
+  else
+    JVM_VARIANTS:=server
+    JVM_VARIANT_SERVER:=true
+  endif
+endif
+
 # determine if HotSpot is being built in JDK6 or earlier version
 JDK6_OR_EARLIER=0
 ifeq "$(shell expr \( '$(JDK_MAJOR_VERSION)' != '' \& '$(JDK_MINOR_VERSION)' != '' \& '$(JDK_MICRO_VERSION)' != '' \))" "1"
@@ -195,22 +207,20 @@ EXPORT_CLIENT_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/client
 
 EXPORT_LIST += $(EXPORT_JRE_LIB_DIR)/wb.jar
 
-ifndef BUILD_CLIENT_ONLY
-EXPORT_LIST += $(EXPORT_SERVER_DIR)/Xusage.txt
-EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.$(LIBRARY_SUFFIX)
+ifeq ($(findstring true, $(JVM_VARIANT_SERVER) $(JVM_VARIANT_ZERO) $(JVM_VARIANT_ZEROSHARK)), true)
+  EXPORT_LIST += $(EXPORT_SERVER_DIR)/Xusage.txt
+  EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.$(LIBRARY_SUFFIX)
   ifneq ($(OBJCOPY),)
     EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.debuginfo
   endif
 endif
 
-ifneq ($(ZERO_BUILD), true)
-  ifeq ($(ARCH_DATA_MODEL), 32)
-    EXPORT_LIST += $(EXPORT_CLIENT_DIR)/Xusage.txt
-    EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm.$(LIBRARY_SUFFIX)
-    ifneq ($(OBJCOPY),)
-      EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm.debuginfo
-    endif
-  endif
+ifeq ($(JVM_VARIANT_CLIENT),true)
+  EXPORT_LIST += $(EXPORT_CLIENT_DIR)/Xusage.txt
+  EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm.$(LIBRARY_SUFFIX)
+  ifneq ($(OBJCOPY),)
+    EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm.debuginfo
+  endif 
 endif
 
 # Serviceability Binaries
diff --git a/make/linux/makefiles/gcc.make b/make/linux/makefiles/gcc.make
index d918ef77bdd66ce79129fc4449427155e5d615fc..860db872e93fb986d4faeef0c89b1fb7f95e3315 100644
--- a/make/linux/makefiles/gcc.make
+++ b/make/linux/makefiles/gcc.make
@@ -72,10 +72,11 @@ VM_PICFLAG/LIBJVM = $(PICFLAG)
 VM_PICFLAG/AOUT   =
 VM_PICFLAG        = $(VM_PICFLAG/$(LINK_INTO))
 
-ifeq ($(ZERO_BUILD), true)
+ifeq ($(JVM_VARIANT_ZERO), true)
 CFLAGS += $(LIBFFI_CFLAGS)
 endif
-ifeq ($(SHARK_BUILD), true)
+ifeq ($(JVM_VARIANT_ZEROSHARK), true)
+CFLAGS += $(LIBFFI_CFLAGS)
 CFLAGS += $(LLVM_CFLAGS)
 endif
 CFLAGS += $(VM_PICFLAG)
diff --git a/make/linux/makefiles/vm.make b/make/linux/makefiles/vm.make
index 2c2f40160fa7ad1f32b5d731943602be64452375..a42f314631307176d21b086fe93f9ee3eac1dfcc 100644
--- a/make/linux/makefiles/vm.make
+++ b/make/linux/makefiles/vm.make
@@ -42,7 +42,7 @@ DEP_DIR       = $(GENERATED)/dependencies
 -include $(DEP_DIR)/*.d
 
 # read machine-specific adjustments (%%% should do this via buildtree.make?)
-ifeq ($(ZERO_BUILD), true)
+ifeq ($(findstring true, $(JVM_VARIANT_ZERO) $(JVM_VARIANT_ZEROSHARK)), true)
   include $(MAKEFILES_DIR)/zeroshark.make
 else
   include $(MAKEFILES_DIR)/$(BUILDARCH).make
@@ -236,7 +236,7 @@ mapfile_reorder : mapfile $(REORDERFILE)
 vm.def: $(Res_Files) $(Obj_Files)
 	sh $(GAMMADIR)/make/linux/makefiles/build_vm_def.sh *.o > $@
 
-ifeq ($(SHARK_BUILD), true)
+ifeq ($(JVM_VARIANT_ZEROSHARK), true)
   STATIC_CXX = false
 else
   ifeq ($(ZERO_LIBARCH), ppc64)
@@ -268,12 +268,12 @@ else
 
   LIBS_VM                  += $(LIBS)
 endif
-ifeq ($(ZERO_BUILD), true)
+ifeq ($(JVM_VARIANT_ZERO), true)
   LIBS_VM += $(LIBFFI_LIBS)
 endif
-ifeq ($(SHARK_BUILD), true)
+ifeq ($(JVM_VARIANT_ZEROSHARK), true)
+  LIBS_VM   += $(LIBFFI_LIBS) $(LLVM_LIBS)
   LFLAGS_VM += $(LLVM_LDFLAGS)
-  LIBS_VM   += $(LLVM_LIBS)
 endif
 
 LINK_VM = $(LINK_LIB.CC)
diff --git a/make/solaris/makefiles/defs.make b/make/solaris/makefiles/defs.make
index 6c5fb8b0bce098582bb222ac14debf1bd015e221..79ae20151511a46edcc1d8bb31fd5a6f505b946e 100644
--- a/make/solaris/makefiles/defs.make
+++ b/make/solaris/makefiles/defs.make
@@ -59,6 +59,18 @@ else
   endif
 endif
 
+# On 32 bit solaris we build server and client, on 64 bit just server.
+ifeq ($(JVM_VARIANTS),)
+  ifeq ($(ARCH_DATA_MODEL), 32)
+    JVM_VARIANTS:=client,server
+    JVM_VARIANT_CLIENT:=true
+    JVM_VARIANT_SERVER:=true
+  else
+    JVM_VARIANTS:=server
+    JVM_VARIANT_SERVER:=true
+  endif
+endif
+
 # determine if HotSpot is being built in JDK6 or earlier version
 JDK6_OR_EARLIER=0
 ifeq "$(shell expr \( '$(JDK_MAJOR_VERSION)' != '' \& '$(JDK_MINOR_VERSION)' != '' \& '$(JDK_MICRO_VERSION)' != '' \))" "1"
@@ -153,37 +165,37 @@ EXPORT_LIST += $(EXPORT_JRE_LIB_DIR)/wb.jar
 EXPORT_SERVER_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/server
 EXPORT_CLIENT_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/client
 
-ifneq ($(BUILD_CLIENT_ONLY),true)
-EXPORT_LIST += $(EXPORT_SERVER_DIR)/Xusage.txt
-EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.$(LIBRARY_SUFFIX)
-EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm_db.$(LIBRARY_SUFFIX)
-EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm_dtrace.$(LIBRARY_SUFFIX)
+ifeq ($(JVM_VARIANT_SERVER),true)
+  EXPORT_LIST += $(EXPORT_SERVER_DIR)/Xusage.txt
+  EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.$(LIBRARY_SUFFIX)
+  EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm_db.$(LIBRARY_SUFFIX)
+  EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm_dtrace.$(LIBRARY_SUFFIX)
+  ifeq ($(ARCH_DATA_MODEL),32)
+    EXPORT_LIST += $(EXPORT_SERVER_DIR)/64/libjvm_db.$(LIBRARY_SUFFIX)
+    EXPORT_LIST += $(EXPORT_SERVER_DIR)/64/libjvm_dtrace.$(LIBRARY_SUFFIX)
+  endif
   ifneq ($(OBJCOPY),)
     EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.debuginfo
     EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm_db.debuginfo
     EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm_dtrace.debuginfo
   endif
 endif
-ifeq ($(ARCH_DATA_MODEL), 32)
+ifeq ($(JVM_VARIANT_CLIENT),true)
   EXPORT_LIST += $(EXPORT_CLIENT_DIR)/Xusage.txt
   EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm.$(LIBRARY_SUFFIX) 
   EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm_db.$(LIBRARY_SUFFIX) 
   EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm_dtrace.$(LIBRARY_SUFFIX)
-  EXPORT_LIST += $(EXPORT_CLIENT_DIR)/64/libjvm_db.$(LIBRARY_SUFFIX)
-  EXPORT_LIST += $(EXPORT_CLIENT_DIR)/64/libjvm_dtrace.$(LIBRARY_SUFFIX)
+  ifeq ($(ARCH_DATA_MODEL),32)
+    EXPORT_LIST += $(EXPORT_CLIENT_DIR)/64/libjvm_db.$(LIBRARY_SUFFIX)
+    EXPORT_LIST += $(EXPORT_CLIENT_DIR)/64/libjvm_dtrace.$(LIBRARY_SUFFIX)
+  endif
   ifneq ($(OBJCOPY),)
     EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm.debuginfo
     EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm_db.debuginfo
     EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm_dtrace.debuginfo
-    EXPORT_LIST += $(EXPORT_CLIENT_DIR)/64/libjvm_db.debuginfo
-    EXPORT_LIST += $(EXPORT_CLIENT_DIR)/64/libjvm_dtrace.debuginfo
-  endif
-  ifneq ($(BUILD_CLIENT_ONLY), true)
-    EXPORT_LIST += $(EXPORT_SERVER_DIR)/64/libjvm_db.$(LIBRARY_SUFFIX)
-    EXPORT_LIST += $(EXPORT_SERVER_DIR)/64/libjvm_dtrace.$(LIBRARY_SUFFIX)
-    ifneq ($(OBJCOPY),)
-      EXPORT_LIST += $(EXPORT_SERVER_DIR)/64/libjvm_db.debuginfo
-      EXPORT_LIST += $(EXPORT_SERVER_DIR)/64/libjvm_dtrace.debuginfo
+    ifeq ($(ARCH_DATA_MODEL),32)
+      EXPORT_LIST += $(EXPORT_CLIENT_DIR)/64/libjvm_db.debuginfo
+      EXPORT_LIST += $(EXPORT_CLIENT_DIR)/64/libjvm_dtrace.debuginfo
     endif
   endif
 endif
diff --git a/make/windows/makefiles/defs.make b/make/windows/makefiles/defs.make
index 5938ef2558e8c044de756ff3cdf1f12decee95cb..b3147c7305483524575b6179bc54788d37297f85 100644
--- a/make/windows/makefiles/defs.make
+++ b/make/windows/makefiles/defs.make
@@ -107,6 +107,19 @@ ifneq ($(shell $(ECHO) $(PROCESSOR_IDENTIFIER) | $(GREP) EM64T),)
   endif
 endif
 
+# On 32 bit windows we build server, client and kernel, on 64 bit just server.
+ifeq ($(JVM_VARIANTS),)
+  ifeq ($(ARCH_DATA_MODEL), 32)
+    JVM_VARIANTS:=client,server,kernel
+    JVM_VARIANT_CLIENT:=true
+    JVM_VARIANT_SERVER:=true
+    JVM_VARIANT_KERNEL:=true
+  else
+    JVM_VARIANTS:=server
+    JVM_VARIANT_SERVER:=true
+  endif
+endif
+
 JDK_INCLUDE_SUBDIR=win32
 
 # Library suffix
@@ -177,17 +190,20 @@ EXPORT_SERVER_DIR = $(EXPORT_JRE_BIN_DIR)/server
 EXPORT_CLIENT_DIR = $(EXPORT_JRE_BIN_DIR)/client
 EXPORT_KERNEL_DIR = $(EXPORT_JRE_BIN_DIR)/kernel
 
-EXPORT_LIST += $(EXPORT_SERVER_DIR)/Xusage.txt
-EXPORT_LIST += $(EXPORT_SERVER_DIR)/jvm.$(LIBRARY_SUFFIX)
-EXPORT_LIST += $(EXPORT_SERVER_DIR)/jvm.pdb
-EXPORT_LIST += $(EXPORT_SERVER_DIR)/jvm.map
-EXPORT_LIST += $(EXPORT_LIB_DIR)/jvm.lib
-ifeq ($(ARCH_DATA_MODEL), 32)
+ifeq ($(JVM_VARIANT_SERVER),true)
+  EXPORT_LIST += $(EXPORT_SERVER_DIR)/Xusage.txt
+  EXPORT_LIST += $(EXPORT_SERVER_DIR)/jvm.$(LIBRARY_SUFFIX)
+  EXPORT_LIST += $(EXPORT_SERVER_DIR)/jvm.pdb
+  EXPORT_LIST += $(EXPORT_SERVER_DIR)/jvm.map
+  EXPORT_LIST += $(EXPORT_LIB_DIR)/jvm.lib
+endif
+ifeq ($(JVM_VARIANT_CLIENT),true)
   EXPORT_LIST += $(EXPORT_CLIENT_DIR)/Xusage.txt
   EXPORT_LIST += $(EXPORT_CLIENT_DIR)/jvm.$(LIBRARY_SUFFIX)
   EXPORT_LIST += $(EXPORT_CLIENT_DIR)/jvm.pdb
   EXPORT_LIST += $(EXPORT_CLIENT_DIR)/jvm.map
-  # kernel vm
+endif
+ifeq ($(JVM_VARIANT_KERNEL),true)
   EXPORT_LIST += $(EXPORT_KERNEL_DIR)/Xusage.txt
   EXPORT_LIST += $(EXPORT_KERNEL_DIR)/jvm.$(LIBRARY_SUFFIX)
   EXPORT_LIST += $(EXPORT_KERNEL_DIR)/jvm.pdb